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                    Closing price on 8/3/2010
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                    | Open | 19.30 |  
                    | High | 19.50 |  
                    | Low | 18.60 |  
                    | Volume | 75,000 |  
                    | Split-adjusted Price | 7.02 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/3/2010 | -1.40 / -7.00% | 19.30 | 19.50 | 18.60 | 18.60 | 18.60 | 7.02 | 75,000 |   |  
            | 8/2/2010 | -0.30 / -1.48% | 20.50 | 20.50 | 19.80 | 20.00 | 20.00 | 7.55 | 31,900 |   |  			
            | 7/30/2010 | +0.50 / +2.53% | 20.30 | 20.80 | 19.60 | 20.30 | 20.30 | 7.66 | 79,600 |   |  
            | 7/29/2010 | -0.70 / -3.41% | 21.40 | 21.40 | 19.70 | 19.80 | 19.80 | 7.47 | 90,300 |   |  			
            | 7/28/2010 | -0.80 / -3.76% | 20.90 | 20.90 | 20.00 | 20.50 | 20.50 | 7.73 | 32,100 |   |  
            | 7/27/2010 | -0.40 / -1.84% | 22.00 | 22.10 | 21.20 | 21.30 | 21.30 | 8.04 | 52,900 |   |  			
            | 7/26/2010 | -0.80 / -3.56% | 22.50 | 22.50 | 21.70 | 21.70 | 21.70 | 8.19 | 47,900 |   |  
            | 7/23/2010 | +1.00 / +4.65% | 21.50 | 22.70 | 21.50 | 22.50 | 22.50 | 8.49 | 85,600 |   |  			
            | 7/22/2010 | -0.90 / -4.02% | 22.10 | 22.10 | 21.40 | 21.50 | 21.50 | 8.11 | 55,800 |   |  
            | 7/21/2010 | -0.10 / -0.44% | 23.00 | 23.00 | 22.40 | 22.40 | 22.40 | 8.45 | 66,200 |   |  			
            | 7/20/2010 | -0.50 / -2.17% | 23.90 | 24.00 | 22.30 | 22.50 | 22.50 | 8.49 | 102,200 |   |  
            | 7/19/2010 | -4.40 / -16.06% | 23.00 | 23.00 | 22.90 | 23.00 | 23.00 | 8.68 | 106,500 |   |  			
            | 7/16/2010 | 0.00 / 0.00% | 27.50 | 28.00 | 27.40 | 27.40 | 27.40 | 10.34 | 114,200 |   |  
            | 7/15/2010 | -0.50 / -1.79% | 28.40 | 28.40 | 27.40 | 27.40 | 27.40 | 10.34 | 62,700 |   |  			
            | 7/14/2010 | -0.70 / -2.45% | 29.00 | 29.00 | 27.50 | 27.90 | 27.90 | 10.53 | 115,200 |   |  
            | 7/13/2010 | +0.60 / +2.14% | 28.80 | 28.90 | 28.00 | 28.60 | 28.60 | 10.79 | 87,800 |   |  			
            | 7/12/2010 | +0.20 / +0.72% | 27.20 | 28.20 | 27.00 | 28.00 | 28.00 | 10.56 | 60,300 |   |  
            | 7/9/2010 | +0.90 / +3.35% | 28.80 | 28.80 | 27.00 | 27.80 | 27.80 | 10.49 | 94,800 |   |  			
            | 7/8/2010 | -0.10 / -0.37% | 27.60 | 27.60 | 26.50 | 26.90 | 26.90 | 10.15 | 81,600 |   |  
            | 7/7/2010 | -0.20 / -0.74% | 27.70 | 28.00 | 26.20 | 27.00 | 27.00 | 10.19 | 61,600 |   |  			
            | 7/6/2010 | -1.30 / -4.56% | 29.00 | 29.00 | 27.00 | 27.20 | 27.20 | 10.26 | 59,400 |   |  
            | 7/5/2010 | +1.20 / +4.40% | 27.30 | 29.10 | 27.30 | 28.50 | 28.50 | 10.75 | 54,100 |   |  			
            | 7/2/2010 | -0.20 / -0.73% | 27.20 | 27.50 | 27.00 | 27.30 | 27.30 | 10.30 | 123,100 |   |  
            | 7/1/2010 | -0.60 / -2.14% | 28.20 | 28.20 | 27.00 | 27.50 | 27.50 | 10.38 | 95,700 |   |  			
            | 6/30/2010 | -0.80 / -2.77% | 28.00 | 28.50 | 27.70 | 28.10 | 28.10 | 10.60 | 126,200 |   |  
            | 6/29/2010 | +0.10 / +0.35% | 29.00 | 30.00 | 28.10 | 28.90 | 28.90 | 10.90 | 76,400 |   |  			
            | 6/28/2010 | +0.30 / +1.05% | 28.20 | 29.00 | 28.00 | 28.80 | 28.80 | 10.87 | 68,100 |   |  
            | 6/25/2010 | -1.40 / -4.68% | 28.30 | 29.90 | 28.20 | 28.50 | 28.50 | 10.75 | 139,800 |   |  			
            | 6/24/2010 | -0.60 / -1.97% | 30.80 | 31.00 | 29.10 | 29.90 | 29.90 | 11.28 | 96,100 |   |  
            | 6/23/2010 | -1.50 / -4.69% | 29.80 | 31.90 | 29.80 | 30.50 | 30.50 | 11.51 | 82,200 |   |  |